.locations-container {
    /* Content column beside the shared filter sidebar; min-width lets the
       map shrink inside the flex row instead of overflowing it. */
    flex: 1;
    min-width: 0;
}

.map-layout {
    /* No gap here: the hidden panel is a zero-width flex item, and a gap would
       leave a stray gutter on the right of the map. The active panel brings
       its own margin instead, so the map's right edge lines up with the header. */
    display: flex;
    position: relative;
}

#map {
    flex: 1;
    height: calc(100vh - 200px);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: flex 0.3s ease;
}

/* Collapsible preview section of the selection panel: current photo, select
   box, and a thumbnail strip for the selected clusters. */
.preview-section {
    border-bottom: var(--border-width) solid var(--color-border-subtle);
}

.preview-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
    padding: 12px 18px;
    background: none;
    border: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
}

.preview-toggle:hover {
    color: var(--color-text);
}

.preview-toggle-arrow {
    color: var(--color-text-muted);
}

.preview-body {
    padding: 0 18px 16px;
}

.preview-section.collapsed .preview-body {
    display: none;
}

.preview-body h3 {
    margin: 0 0 8px 0;
    font-size: var(--font-size-md);
    color: var(--color-text);
}

.preview-thumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-top: 10px;
}

.preview-thumb {
    padding: 0;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    background: none;
    cursor: pointer;
    line-height: 0;
}

.preview-thumb img {
    width: 44px;
    height: 44px;
    object-fit: cover;
    border-radius: inherit;
}

.preview-thumb:hover {
    border-color: var(--color-border-hover);
}

.preview-thumb.active {
    border-color: var(--color-accent);
}

.preview-thumbs-more {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    padding-left: 4px;
}

.preview-photo-container {
    margin-bottom: 10px;
}

.preview-photo-container a {
    display: block;
}

.preview-photo {
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    display: block;
    transition: opacity 0.2s;
}

.preview-photo:hover {
    opacity: 0.9;
}

.preview-select-container {
    margin-bottom: 12px;
}

.preview-select-container label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: 5px;
    font-weight: 500;
}

.photo-select {
    width: 100%;
    padding: 8px;
    border: var(--border-width) solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    background: var(--color-surface);
    cursor: pointer;
}

.photo-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: var(--focus-ring);
}

.photo-location {
    margin: 8px 0 0 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.selection-panel {
    width: 0;
    opacity: 0;
    overflow: hidden;
    margin-left: 0;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: width 0.3s ease, opacity 0.3s ease, padding 0.3s ease, margin-left 0.3s ease;
    padding: 0;
}

.selection-panel.active {
    width: 380px;
    opacity: 1;
    padding: 0;
    margin-left: 15px;
}

.selection-panel h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

#selection-panel-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    /* Preview + assignment together can outgrow the map height. */
    overflow-y: auto;
}

.selection-panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    padding: 18px 18px 14px;
    border-bottom: var(--border-width) solid var(--color-border-subtle);
}

.selection-panel-close {
    background: none;
    border: none;
    padding: 0 4px;
    line-height: 1;
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    cursor: pointer;
}

.selection-panel-close:hover {
    color: var(--color-text);
}

.mass-assignment-info {
    margin-top: 8px;
    font-size: var(--font-size-sm);
    line-height: 1.35;
    color: var(--color-text-secondary);
}

.selection-assignment {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px 18px 18px;
    border-bottom: var(--border-width) solid var(--color-border-subtle);
}

.clusters-summary {
    display: flex;
    flex: 1;
    min-height: 0;
    flex-direction: column;
    gap: 8px;
    padding: 16px 18px;
    border-bottom: var(--border-width) solid var(--color-border-subtle);
}

.summary-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: 500;
}

.clusters-list {
    flex: 1;
    min-height: 96px;
    max-height: 240px;
    overflow-y: auto;
    border: var(--border-width) solid var(--color-border-subtle);
    border-radius: var(--radius-sm);
}

.cluster-summary-item {
    display: grid;
    grid-template-columns: minmax(86px, max-content) minmax(0, 1fr);
    gap: 10px;
    align-items: start;
    padding: 8px 10px;
    border-bottom: var(--border-width) solid var(--color-border-subtle);
}

.cluster-summary-item:last-child {
    border-bottom: 0;
}

.cluster-summary-item strong {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    white-space: nowrap;
}

.cluster-summary-item .current-location {
    font-size: var(--font-size-sm);
    line-height: 1.3;
    overflow-wrap: anywhere;
}

.cluster-item {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 12px;
    margin-bottom: 12px;
}

.cluster-item:last-child {
    margin-bottom: 0;
}

.cluster-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 10px;
}

.cluster-info strong {
    color: var(--color-text);
    font-size: var(--font-size-base);
}

.current-location {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.quick-action-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: 500;
}

.quick-actions-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.btn-quick-assign {
    padding: 6px 12px;
    background: var(--color-bg);
    color: var(--color-text-secondary);
    border: var(--border-width) solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    cursor: pointer;
    white-space: nowrap;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: all 0.2s;
}

.btn-quick-assign:hover {
    background: var(--color-surface-sunken);
    border-color: var(--color-border-hover);
}

.btn-quick-assign.btn-recommended {
    background: var(--color-success);
    color: var(--color-on-accent);
    border-color: var(--color-success);
}

.btn-quick-assign.btn-recommended:hover {
    background: var(--color-success-hover);
    border-color: var(--color-success-hover);
}

.cluster-assign {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
}

.location-input {
    min-width: 0;
    padding: 8px;
    border: var(--border-width) solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
}

.location-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: var(--focus-ring);
}

.btn-assign {
    white-space: nowrap;
}

.selection-panel-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 14px 18px 18px;
}

.selection-panel-actions .btn {
    width: 100%;
    padding: 8px 12px;
    font-size: var(--font-size-sm);
}

.selection-panel-actions .btn-clear-names {
    background: var(--color-danger-soft);
    color: var(--color-danger-soft-text);
    border-color: var(--color-danger-soft-border);
}

.selection-panel-actions .btn-clear-names:hover {
    background: var(--color-danger);
    color: var(--color-on-accent);
}